Randomly assigned group. the art class isn't random and only consists of a select type of people--it is not a representative sample; maybe more left handed people enjoy art than do right handed people! therefore, even though the randomly assigned group is smaller, it is the better estimate.
Inches
centimeters would be too small
Good luck!
Answer:system of linear equalities in one variable .
Step-by-step explanation:
Answer: A. 76 sq. units
Step-by-step explanation:
1. You can use the following formula for calcualte the area of the parallelogram:

Where
is the base and
is the height of the parallelogram
and
2. The formula for calculate the area of a rectangle is:

Where
is the base and
is the height of the rectanngle.
and
3. Then, the area of the figure is the sum of the area of the parallelogram and the area of the rectangle:
